| //===-- bswapdi2.c - Implement __bswapdi2 ---------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements __bswapdi2 for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| |
| COMPILER_RT_ABI uint64_t __bswapdi2(uint64_t u) { |
| return ( |
| (((u)&0xff00000000000000ULL) >> 56) | |
| (((u)&0x00ff000000000000ULL) >> 40) | |
| (((u)&0x0000ff0000000000ULL) >> 24) | |
| (((u)&0x000000ff00000000ULL) >> 8) | |
| (((u)&0x00000000ff000000ULL) << 8) | |
| (((u)&0x0000000000ff0000ULL) << 24) | |
| (((u)&0x000000000000ff00ULL) << 40) | |
| (((u)&0x00000000000000ffULL) << 56)); |
| } |
